@article{Voronin:2021WC,
  author = "Voronin, D.  and  Fazliakhmetov, Almaz  and  Ushakov, N.  and  Lukanov, A.  and  Lubsandorzhiev, B.  and  Sidorenkov, Andrei",
  title = "{Calibration system of EAS Cherenkov arrays using commercial drone helicopter.}",
  doi = "10.22323/1.395.0268",
  journal = "PoS",
  year = 2021,
  volume = "ICRC2021",
  pages = "268"
}